User`s guide

T-MOPSlcdSA User's Guide

Keyboardand Feature Interface 22

11. Keyboard and Feature Interface

The keyboard and feature connector of the T-MOPSlcdSA offers four functions. The interface

connects the following:

 Keyboard

 Speaker

 Battery

 Reset Button

11.1 Connector

The keyboard and feature connector is available through Connector J4 (10 pins). To find the

location of this connector on the T-MOPSlcdSA board, please see the chapter “Connector

Locations”.

An adapter cable is required to connect a standard keyboard to this interface. For adapter cable

information see the section “Connector Functions and Interface Cables”. The adapter cables do not

know the other functions on this interface.

Pin-out table:

Header Pin Signal Name Function 5-pin Din

(Diode)

6-pin MiniDin

(PS2)

1 Speaker Speaker output

2 GND Ground

3 /RESIN Reset input

4 NC Not connected

5 KBDAT Keyboard data 2 1

6 KBCLK Keyboard clock 1 5

7 GND Ground 4 3

8 VCC (*) +5V 5 4

9 BATT Battery in (3,0V)

10 PWRGOOD Powergood

Notes:

(*) To protect the external power lines of peripheral devices, make sure that:

-- the wires have the right diameter to withstand the maximum available current

-- the enclosure of the peripheral device fulfils the fire-protecting requirements of IEC/EN

60950.

11.2 Configuration

There are no BIOS configuration entries available for this interface.